Dashlane Brute-Force Attack on User Accounts
Password manager Dashlane disclosed a brute-force attack that began on May 31, 2026, targeting user accounts to bypass two-factor authentication (2FA) protections.
Key points
- Brute-force attack targeting 2FA protections.
- Began on May 31, 2026.
- Encrypted vaults of fewer than 20 personal plan users downloaded.
Connected intelligence
Signal brief
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Organization
- Published
- May 31, 2026
- Updated
- Jun 29, 2026
- Confidence
- Medium
- Evidence
- 2 sources
Structured assessment
Signal analysis
It helps compare this signal with other published signals without treating the labels as final determinations.
Threat source
Watch exposure paths that could affect data, operations or third-party trust.
Business impact
- Impact area
- Confidentiality
- Likely asset
- User or customer data
Mentioned entities
Quick context
Questions about this signal
What happened in this signal?
Password manager Dashlane disclosed a brute-force attack that began on May 31, 2026, targeting user accounts to bypass two-factor authentication (2FA) protections. Attackers aimed to register new devices on existing user accounts. While Dashlane's internal systems were not compromised, encrypted vaults of fewer than 20 personal plan users were successfully downloaded. The company's automated security controls temporarily suspended targeted accounts, and affected users were directly notified. The vault data remains protected by the users' Master Passwords.
When was this signal reported?
Shadow Tier lists May 31, 2026 as the signal date.
Which organization is connected to this signal?
Dashlane is the organization connected to this public signal.
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